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©2010 Rodale Institute
1970
1970
2000
Sequestering Carbon and Building Resilience
Dr. Kristine Nichols, Dr. Emmanuel Omondi, Andrew Smith, and Jeff Moyer
Rodale Institute Research FarmRegenerative Organic Farm Management Practices Mitigate Agro-Ecosystem Vulnerability to Climate Change
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©2010 Rodale Institute
1970
1970
2000
Rodale Institute Research Farm
2015
Regenerative Organic Farm Management Practices Mitigate Agro-Ecosystem Vulnerability to Climate Change
Sequestering Carbon and Building Resilience
Dr. Kristine Nichols, Dr. Emmanuel Omondi, Andrew Smith, and Jeff Moyer
![Page 3: Regenerative Organic Farm Management Practices Mitigate Agro-Ecosystem Vulnerability to Climate Change](https://reader034.fdocuments.us/reader034/viewer/2022042723/58e4e5c61a28ab87378b4d55/html5/thumbnails/3.jpg)
©2010 Rodale Institute
J.I. Rodale – Organic Agriculture
Healthy Soil = Healthy Food =
Healthy People =
Healthy Planet
Soil Health - The continued capacity of soil to function as a vital living ecosystem that sustains plants, animals, and humans.
It’s about the SOIL!
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©2010 Rodale Institute
FST Soil Carbon Data – Kutztown, PAM C
10 in
ches
25 c
m20
inch
es50
cm
Growing topsoil in decades rather than centuries.
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©2010 Rodale Institute
The Carbon Problem Soils Deficient in Carbon
Dave Brandt FarmCarroll, Ohio
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©2010 Rodale Institute
1% SOM
3% SOM
5% SOM
Conventional Transitional
Regenerative Organic
LabileMicrobial
Recalcitrant
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©2010 Rodale Institute
Regenerative Organic
Labile
Microbial
Recalcitrant
Stabilized Biologically, Chemically, and Physically
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©2010 Rodale Institute
Interactive Carbon Economy Plants trade carbon to fungi
and bacteria• Mycorrhizal fungi• Rhizobium – N fixation• P-solubilization• Aggregate formation
– Porosity– Soil structure
Nematodes and Protozoa eat bacteria and fungi for N
Microarthropds prep residues for bacteria
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©2010 Rodale Institute
Porosity - 45% increase = infiltration increase of 167% 25 mm (1 inch) and 650% 50 mm (2 inches)
-Karlen et al., 1998
Water holding capacity doubles when soil organic matter increases from 0.5-3% depending on soil texture
– Hudson, 1994
Water used for nutrition– W.A. Albrecht, University of Missouri, 1950’s
•Unfertilized corn needed nearly 5 times the amount of water as the fertilized corn.– Achieve efficient fertility biologically rather than
chemically.
Water Use EfficiencyConventional
Organic
Wheat fields at Rodale Institute’s Farming
Systems Trial after a rain event.
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©2010 Rodale Institute
Brown Ranch near Bismarck, ND after 13 inches (330 mm) of rainfall in 24
hrs in 2009
Infiltration Rates increased with management:1991 – 0.5 inches (13 mm) per hour2011 – 8 inches (203 mm) per hour
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©2010 Rodale Institute
FST Corn During 1995 DroughtOrganic134 bu/ac3.4 tons/ac
Conventional102 bu/ac2.6 tons/ac
Water percolation volumes were 15-20% higher
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©2010 Rodale Institute
Organic Corn18% higher yield
Conventional Corn
FST 2015
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©2010 Rodale Institute
FST 2016 Corn
ConventionalOrganic
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©2010 Rodale Institute
Integrated Crop-Livestock(GA, FL, AL)Integrated Crop-Livestock(GA, FL, AL)
Sod System: (B1-B2-P-C) Conventional System: (P-C1-C2)
Oat Winter Cover Crop Following Peanut and Cotton in Both Systems
oat
oat
oat
oat
Strip till was used in each year with best management practices
Bahia
BahiaCotton
CottonCotton
oatPeanut
Peanut
oat
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©2010 Rodale Institute
Peanuts grown in soilwith Bahia roots
Peanuts grown in soilwithout Bahia roots
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©2010 Rodale Institute
www.rodaleinstitute.org
Thank You!
We speak a lot of the importance of sustainable food systems for healthy lives. Well, it starts with soils.
- José Graziano da Silva, FAO Director-General
A Nation that Destroys its Soil, Destroys Itself.
– Franklin Roosevelt